Syringe stopper



FIG. 1 is a top perspective view of a syringe stopper in accordance with the present invention;

FIG. 2 is a front elevation view thereof, the rear view being a mirror image;

FIG. 3 is a right side elevation view thereof, with the left side view being a mirror image;

FIG. 4 is an angled side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a bottom perspective view thereof.

The broken line showing of parts of the drawings is included for the purpose of illustrating use and environment and forms no part of the claimed design. 

CLAIM The ornamental design for a syringe stopper, as shown and described. 